Mercurial > hg > graal-compiler
view test/runtime/NMT/MallocTestType.java @ 10287:12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
Summary: Setting some public integer options to specific values causes crashes or undefined GC behavior. This patchset adds the necessary argument checking for these options.
Reviewed-by: jmasa, brutisso
author | tschatzl |
---|---|
date | Wed, 15 May 2013 11:05:09 +0200 |
parents | 3b890cd4da64 |
children | ac12996df59b |
line wrap: on
line source
/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @summary Test consistency of NMT by leaking a few select allocations of the Test type and then verify visibility with jcmd * @key nmt jcmd * @library /testlibrary /testlibrary/whitebox * @build MallocTestType * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocTestType */ import com.oracle.java.testlibrary.*; import sun.hotspot.WhiteBox; public class MallocTestType { public static void main(String args[]) throws Exception { OutputAnalyzer output; WhiteBox wb = WhiteBox.getWhiteBox(); // Grab my own PID String pid = Integer.toString(ProcessTools.getProcessId()); ProcessBuilder pb = new ProcessBuilder(); // Use WB API to alloc and free with the mtTest type long memAlloc3 = wb.NMTMalloc(128 * 1024); long memAlloc2 = wb.NMTMalloc(256 * 1024); wb.NMTFree(memAlloc3); long memAlloc1 = wb.NMTMalloc(512 * 1024); wb.NMTFree(memAlloc2); // Use WB API to ensure that all data has been merged before we continue if (!wb.NMTWaitForDataMerge()) { throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); } // Run 'jcmd <pid> VM.native_memory summary' pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"}); output = new OutputAnalyzer(pb.start()); output.shouldContain("Test (reserved=512KB, committed=512KB)"); // Free the memory allocated by NMTAllocTest wb.NMTFree(memAlloc1); // Use WB API to ensure that all data has been merged before we continue if (!wb.NMTWaitForDataMerge()) { throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); } output = new OutputAnalyzer(pb.start()); output.shouldNotContain("Test (reserved="); } }